108 MAMMALIA. 
There is no appreciable difference between the Nubian and 
Senegal specimens. 
OsTEOLOoGy. 
Algazel, Daub. Buffon H. N. xii. t. 32. f. 1, 2. 
Skull and horns. North Africa. 
Single horn of young. North Africa. 
Single horn. North Africa. 
Skull, young. Senaar. 
Note, 
1. Antilope Chora, Riippell, Zool. Atlas, 22. 
A. (Alcelaphus) Chora, Fischer, Syn. 475. 
Hab. N. Africa. ‘‘ Very doubtful ;” Riippell. 
2. Antilope Dammah, Riippell, Zool. Atlas, 22. 
A. (Alcelaphus) Dammah, Fischer, Syn. 475. 
Hab. N. Africa; desert of Haraga. “ Very doubtful ;” Riippell. 
d. Throat slightly maned. Nape not maned. 
23. ADDAX. 
Horns slender, elongate, ringed, slightly spirally twisted, 
sloping nearly in a line with the face. Forehead with long hair. 
Neck with a slight gular mane, but no nuchal mane. Nose ovine, 
hairy. Hoofs semicircular, thin-edged. Tear-bag marked with 
a tuft of hair. 
Addax, Rafinesq. Anal. Nat. 56,1815?; Gray, Ann. & Mag. N. 
H. 1846, 232; Turner, Proc. Zool. Soc. 1850. 
Addax, sp., Laurill. 
Oryx, sp., H. Smith; Fischer, Syn. 624. - 
Strepsiceros, sp., Riippell, Verz. Senck. Samml. 182, 1845. 
Gazella, sp., H. Smith, G. A. K. 
Damalis Acronotus, sp., H. Smith, G. A. K. 
A. Alcelaphus, sp., Lesson, Nov. Tab. R. A. 180. 
1. ADDAX NASOMACULATUS. The ADDAX. 
White; forehead and front of face darker; in winter grey. 
Uapra Cervicapra, Linn. S. N., fide Ogilby. 
Antilope Cervicapra, Children, Denham’s Travels. 
Antilope Addax, Licht. Berl. Abhand. 1824, 215.t.2; Saugth. 
t. 2, fem. and young; Riippell, Zool. Atl. 19. t. 7; F. Cw. 
Mam. Lithog. 
A. Oryx Addax, H. Smith, G. A. K. iv. 193. t.; v. 818. 
A. Alcelaphus Addax, Fischer, Syn. 474, 641. 
a 
